CN101656371B - Coaxial underwater sealed connector - Google Patents
Coaxial underwater sealed connector Download PDFInfo
- Publication number
- CN101656371B CN101656371B CN2008100129036A CN200810012903A CN101656371B CN 101656371 B CN101656371 B CN 101656371B CN 2008100129036 A CN2008100129036 A CN 2008100129036A CN 200810012903 A CN200810012903 A CN 200810012903A CN 101656371 B CN101656371 B CN 101656371B
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- China
- Prior art keywords
- coaxial
- copper sheathing
- underwater
- shielding copper
- jack
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a coaxial underwater sealed connector suitable for underwater operation, which comprises a coaxial socket and a coaxial plug, wherein the front end of the shell of coaxial plug is provided with a boss and the front end of the shell of the coaxial socket is provided with a recess; the boss and the recess correspond in position, and the rear end of the shell of the coaxial plug is provided with an O-shaped sealing ring. The connector can meet a preset resistance to transmit radio signals under severe sea condition and can resist seawater corrosion. The connector is a novel underwater product which can be used in both shallow and deep sea. The connection is suitable to be used on various kinds of underwater operation equipment, underwater robots (ROV) and autonomous underwater vehicles (AUV) to transmit the radio signals. The connector has the characteristics of excellent underwater seal reliability, suitability for underwater radio signal transmission, capability of meeting preset resistance property, insulating resistance of more than 200 to 300 Momega and contact resistance of less than 0.01 Omega for operation at a depth of 0 to 1,500 meters underwater, and capability of being inserted and pulled out for more than or equal to 500 times.
Description
Technical field
The present invention relates to a kind of coaxial underwater sealed connector, especially a kind of coaxial underwater sealed connector that is applied in underwater operation.
Background technology
Along with underwater robot (ROV), under water more and more widely from the application of the device (AUV) that navigates, also more and more urgent to the demand of coaxial connector, this is because coaxial connector can satisfy the transmission of radio signal under severe sea condition, and needs strict Sealing Technology.There is following problem in existing coaxial connector:
1. radio signal is transmitted in only suitable land;
2. there is not the underwater sealing measure;
3. be not suitable for using the transmission of radio signal under water;
Summary of the invention
For solving the problems of the technologies described above, the purpose of this invention is to provide a kind of transmission that can under severe sea condition, satisfy radio signal, and the coaxial connector of ability strict seal.For achieving the above object, technical scheme of the present invention is:
A kind of coaxial underwater sealed connector comprises coaxial socket, coaxial plug: said coaxial plug housing front end has bossing, and coaxial socket housing front end has recess; Said bossing, recess position are corresponding, play the axial seal effect;
In the O type annular groove of said coaxial plug housing rear end the O RunddichtringO is housed; Said coaxial plug is connected with sealed compartment through tailing screw flight, and the O RunddichtringO plays the effect of radial seal, thereby satisfies the seal request of underwater operation, guarantees the normal delivery of radio signal;
Said coaxial plug comprises coaxial cable, sealed compartment fixture, O type circle, vulcanization of rubber body, shielding copper sheathing, contact pin, engineering plastics EP; Said coaxial cable is connected with contact pin; Contact pin is positioned at the shielding copper sheathing outward, between contact pin and shielding copper sheathing engineering plastics EP is set; Coaxial cable is arranged in the sealed compartment fixture, be provided with between coaxial cable and sealed compartment fixture engineering plastics EP (epoxy resin, be one type in molecular structure, contain epoxy radicals because of high polymer, be called for short EP); Said O type circle is arranged on the sealed compartment fixture, coaxial plug housing rear end; Said vulcanization of rubber body is arranged at outside the shielding copper sheathing, at the said vulcanization of rubber body front end bossing is arranged;
Said coaxial socket comprises coaxial cable, engineering plastics EP, vulcanization of rubber body, shielding copper sheathing, jack, and said coaxial cable is connected with jack; Said jack is arranged in the shielding copper sheathing, between jack and shielding copper sheathing engineering plastics EP is set; Said shielding copper sheathing is provided with vulcanization of rubber body outward, at the said vulcanization of rubber body front end recess is arranged.
For playing the effect that clamps coaxial cable, said coaxial plug also comprises the cable hold-down nut, is arranged at contact pin and shields between copper sheathing on the engineering plastics EP; Said coaxial socket comprises the cable hold-down nut, is arranged between socket and shielding copper sheathing on the engineering plastics EP;
The impedance operator Z of said coaxial connector
0Can be by computes:
In the formula: Z
0Be impedance operator, d is the jack internal diameter; D is the internal diameter of shielding copper sheathing; ε is the dielectric constant of dielectric;
For satisfying impedance operator, the ratio D/d=8.395 of said dielectric D outer diameter and center conductor diameter d; Said dielectric is engineering plastics EP, and its DIELECTRIC CONSTANTS is 3.6;
Said contact pin and jack front end are provided with insulation board, play the effect of contact pin and jack location.
The present invention has following advantage: can guarantee that the impedance operator of coaxial connector and the impedance operator of coaxial cable are complementary, thereby effectively reduce standing-wave ratio.The underwater sealing good reliability can be fit to use the radio signal transmission under water, can satisfy the impedance operator of setting, and when 0～1500 meter underwater operation, insulation resistance is＞200～300M Ω, contact resistance＜0.01 Ω, and the plug number of times is >=500 times.
Description of drawings
Fig. 1 is invention plug portion structural representation;
Fig. 2 is invention socket part structural representation.
Embodiment
Specify the present invention below in conjunction with accompanying drawing; As shown in Figure 1: said coaxial plug comprises coaxial cable 11, sealed compartment fixture 12, O type circle 13, vulcanization of rubber body 14, shielding copper sheathing 16, contact pin 17, engineering plastics EP18; Said coaxial cable 11 is connected with contact pin 17; Contact pin 17 is positioned at shielding copper sheathing 16, between contact pin and shielding copper sheathing engineering plastics EP18 is set; Coaxial cable 11 is arranged in the sealed compartment fixture 12, and 12 of coaxial cable 11 and sealed compartment fixtures are provided with engineering plastics EP18; Said O type circle 13 is arranged on the sealed compartment fixture 12, coaxial plug housing rear end; Said vulcanization of rubber body 14 is arranged at outside the shielding copper sheathing 16, at said vulcanization of rubber body 14 front ends bossing 19 is arranged; At contact pin 17 and jack 26 front ends insulation board 110 and 28 are arranged, play the effect of contact pin and jack location.
As shown in Figure 2: said coaxial socket comprises coaxial cable 21, engineering plastics EP22, vulcanization of rubber body 23, shielding copper sheathing 25, jack 26, and said coaxial cable 21 is connected with jack 26; Said jack 26 is arranged in the shielding copper sheathing 25, and jack 26 and 25 of copper sheathings of shielding are provided with engineering plastics EP22; Outside the said shielding copper sheathing 25 vulcanization of rubber body 23 is set, recess 27 is arranged at said vulcanization of rubber body front end.
Said coaxial plug also comprises cable hold-down nut 15, is arranged on contact pin 17 and 16 engineering plastics EP18 of shielding copper sheathing; Said coaxial socket comprises cable hold-down nut 24, is arranged on jack 26 and 25 engineering plastics EP22 of shielding copper sheathing.
Its standard coaxial cable 11 and 21 can adopt Tianjin cable factory product; Sealed compartment fixture 12, cable hold-down nut 15 and 24, shielding copper sheathing 16 and 25, contact pin 17, jack 26 are machining and obtain, and material is admirality brass.For reaching better technique effect, contact pin 17, jack 26 surface gold-plating.
Principle of the present invention is:
Hold-down nut 15 and 24 plays the effect that clamps coaxial cable; The size that shields copper sheathing 16 and 25 has guaranteed the impedance operator of coaxial connector; Bossing in the vulcanization of rubber body 14 combines with recess in the vulcanization of rubber body 23 and has played the effect of underwater sealing; Contact pin 17 is combined closely with jack 26, has guaranteed the transmission of radio signal.
Through the test, the present invention when 0～1500 meter underwater operation, insulation resistance＞200～300M Ω, contact resistance＜0.01 Ω, the plug number of times be >=500 times.
Use when of the present invention, should do in the land to put into again after inserting and carry out operation under water.
Claims (7)
1. a coaxial underwater sealed connector comprises coaxial socket, coaxial plug, it is characterized in that: said coaxial plug housing front end has bossing, and coaxial socket housing front end has recess; Said bossing, recess position are corresponding;
Said coaxial plug housing rear end is provided with the O RunddichtringO;
Said coaxial plug comprises coaxial cable, sealed compartment fixture, O type circle, vulcanization of rubber body, shielding copper sheathing, contact pin, engineering plastics EP; Said coaxial cable is connected with contact pin, and contact pin is positioned at the shielding copper sheathing, between contact pin and shielding copper sheathing engineering plastics EP is set; Coaxial cable is arranged in the sealed compartment fixture, between coaxial cable and sealed compartment fixture engineering plastics EP is set; Said O type circle is arranged on the sealed compartment fixture, coaxial plug housing rear end; Said vulcanization of rubber body is arranged at outside the shielding copper sheathing, at said vulcanization of rubber body front end said bossing is arranged;
Said coaxial socket comprises coaxial cable, engineering plastics EP, vulcanization of rubber body, shielding copper sheathing, jack, and said coaxial cable is connected with jack; Said jack is arranged between shielding copper sheathing internal plug seat and shielding copper sheathing engineering plastics EP is set; Said shielding copper sheathing is provided with vulcanization of rubber body outward, at said vulcanization of rubber body front end said recess is arranged.
2. coaxial underwater sealed connector according to claim 1 is characterized in that: the impedance operator Z of said coaxial connector
0Can be by computes:
In the formula: Z
0Be the impedance of setting, d is the jack internal diameter; D is the internal diameter of shielding copper sheathing; ε is the dielectric constant of dielectric.
3. coaxial underwater sealed connector according to claim 2 is characterized in that: the interior ratio D/d=8.395 through d of the inside diameter D of said shielding copper sheathing and jack; Said dielectric is engineering plastics EP, and its DIELECTRIC CONSTANTS is 3.6.
4. coaxial underwater sealed connector according to claim 1 is characterized in that: said coaxial plug also comprises the cable hold-down nut, is arranged between contact pin and shielding copper sheathing on the engineering plastics EP; Said coaxial socket comprises the cable hold-down nut, is arranged between jack and shielding copper sheathing on the engineering plastics EP.
5. coaxial underwater sealed connector according to claim 4 is characterized in that: said cable hold-down nut, shielding copper sheathing, contact pin, plug jack material are admirality brass.
6. coaxial underwater sealed connector according to claim 4 is characterized in that: said contact pin, socket surfaces are gold-plated.
7. coaxial underwater sealed connector according to claim 4 is characterized in that: said contact pin and jack front end are provided with insulation board, play the effect of contact pin and jack location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100129036A CN101656371B (en) | 2008-08-22 | 2008-08-22 | Coaxial underwater sealed connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100129036A CN101656371B (en) | 2008-08-22 | 2008-08-22 | Coaxial underwater sealed connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101656371A CN101656371A (en) | 2010-02-24 |
| CN101656371B true CN101656371B (en) | 2012-01-04 |
Family
ID=41710535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100129036A Expired - Fee Related CN101656371B (en) | 2008-08-22 | 2008-08-22 | Coaxial underwater sealed connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101656371B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980343A (en) * | 2010-10-12 | 2011-02-23 | 贵州航天电器股份有限公司 | Cable vulcanizing method |
| CN102255163B (en) * | 2011-04-29 | 2015-11-25 | 南京康尼科技实业有限公司 | For cable link and the socket of heating floor |
| JP5844572B2 (en) | 2011-08-08 | 2016-01-20 | 矢崎総業株式会社 | Wire harness water stop structure and wire harness |
| CN102593655A (en) * | 2012-03-22 | 2012-07-18 | 上海航天科工电器研究院有限公司 | Electric connector sealing structure |
| CN103414081B (en) * | 2013-08-19 | 2015-12-02 | 高文彬 | The manufacture method of deep sea watertight electric connector |
| CN104682019B (en) * | 2013-11-30 | 2017-09-29 | 中国科学院沈阳自动化研究所 | A kind of underwater robot iridium satellite and GPS combined antennas |
| CN104682081B (en) * | 2013-11-30 | 2017-01-18 | 中国科学院沈阳自动化研究所 | Watertight coaxial connector |
| CN104733972B (en) * | 2013-12-24 | 2017-02-15 | 中国科学院沈阳自动化研究所 | Mold for manufacturing plug of watertight connector and manufacturing method thereof |
| CN106610516A (en) * | 2015-10-23 | 2017-05-03 | 中国科学院沈阳自动化研究所 | Optical fiber watertight wall-through member |
| CN106802421B (en) * | 2015-11-26 | 2019-03-22 | 中国科学院沈阳自动化研究所 | A kind of myriametre grade self-tolerant iridium satellite pressure-resistant apparatus |
| CN108155513A (en) * | 2016-12-02 | 2018-06-12 | 中国石油大学(华东) | A kind of underwater pluggable electric connector of ROV operations |
| CN108270133A (en) * | 2016-12-29 | 2018-07-10 | 中国科学院沈阳自动化研究所 | One kind divides valve watertight connector |
| CN106887759A (en) * | 2017-01-17 | 2017-06-23 | 杭州知加网络科技有限公司 | A kind of connector of waterproof |
| CN106921096A (en) * | 2017-05-02 | 2017-07-04 | 苏州祥龙嘉业电子科技股份有限公司 | A kind of waterproof coaxial connector |
| CN109449661B (en) * | 2018-10-31 | 2020-08-04 | 四川创未网络科技有限公司 | Underwater pluggable insulation connecting seat, connector and implementation method |
| WO2020154126A1 (en) | 2019-01-22 | 2020-07-30 | Pontus Subsea Connectors Llc | Underwater mateable and un-mateable electrical connector |
| CN110165512A (en) * | 2019-04-23 | 2019-08-23 | 德尔特微波电子(南京)有限公司 | A kind of water-stop type radio frequency (RF) coaxial connector |
| CN110994294B (en) * | 2019-12-25 | 2020-12-04 | 杭州全电科技有限公司 | Quick connection socket for plane installation |
| CN113161978A (en) * | 2020-11-16 | 2021-07-23 | 郑芬 | Underwater fastening sealing cable connection structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4599487A (en) * | 1984-04-05 | 1986-07-08 | Klein, Schanzlin & Becker Aktiengesellschaft | Cable gland |
| US4626721A (en) * | 1982-12-15 | 1986-12-02 | Ebara Corporation | Electrical connector for submergible motor pump assembly |
| CN1382315A (en) * | 1999-10-21 | 2002-11-27 | 汉德－法斯特斯德哥尔摩股份公司 | Cable coupling device |
-
2008
- 2008-08-22 CN CN2008100129036A patent/CN101656371B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4626721A (en) * | 1982-12-15 | 1986-12-02 | Ebara Corporation | Electrical connector for submergible motor pump assembly |
| US4599487A (en) * | 1984-04-05 | 1986-07-08 | Klein, Schanzlin & Becker Aktiengesellschaft | Cable gland |
| CN1382315A (en) * | 1999-10-21 | 2002-11-27 | 汉德－法斯特斯德哥尔摩股份公司 | Cable coupling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101656371A (en) | 2010-02-24 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20120104 Termination date: 20210822 |